What does this mean ?

where it says ''operating system not found'' on a used computer
What does this mean ?
Means it doesnt have or cant find windows
What does this mean ?
This issue may occur if one or more of the following conditions are true: 鈥?The basic input/output system (BIOS) does not detect the hard disk.


鈥?The hard disk is damaged.


鈥?Sector 0 of the physical hard disk drive has an incorrect or malformed master boot record (MBR).





Note Some third-party programs or disk corruption can damage an MBR.


鈥?An incompatible partition is marked as Active.


鈥?A partition that contains the MBR is no longer active.
Reply:It means the hard drive has been formatted but no OS had been reinstalled.
Reply:It might mean the computer could not read the hard drive or you have not installed a operating system





Hope that will help
Reply:"Operating Sysem Not Found" may mean one of several things. Ensure that all cables (power and IDE cables) are attached to your hard drive.





Visit this site for more info:





http://support.microsoft.com/kb/321626
Reply:Hard drive is not linked to your system.
Reply:In a used computer, the BIOS battery needs to be replaced.
Reply:mother board not compatible w//pc

floral